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Application of the SCAI classification in a cohort of patients with cardiogenic shock

Benedikt Schrage1,2, Salim Dabboura1, Isabell Yan1

  • 1Department of Interventional and General Cardiology, University Heart Centre Hamburg, Hamburg, Germany.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|January 12, 2020
PubMed

Insights

The Society of Cardiovascular Angiography and Interventions (SCAI) classification for cardiogenic shock (CS) effectively predicts 30-day survival. Higher SCAI classes correlate with decreased survival rates in CS patients.

Area of Science:

  • Cardiology
  • Clinical Medicine
  • Interventional Cardiology

Background:

  • The Society of Cardiovascular Angiography and Interventions (SCAI) introduced a new classification system for cardiogenic shock (CS).
  • This system categorizes patients into five distinct subgroups.

Purpose of the Study:

  • To apply the SCAI classification to a large cohort of patients experiencing CS.
  • To assess the classification's ability to predict 30-day survival rates.

Main Methods:

  • The SCAI CS classification was applied to 1,007 consecutive patients with CS or large myocardial infarction (MI).
  • Data were collected between October 2009 and October 2017.
  • Logistic regression analysis was used to determine the association between SCAI classification and 30-day all-cause mortality.

Main Results:

  • The study included 1,007 patients with a mean age of 67 years; 72% were male.
  • Overall 30-day survival was 50.6%.
  • Survival probabilities decreased significantly with higher SCAI classes (Class A: 96.4% to Class E: 22.6%), with a statistically significant association (p < .01).

Conclusions:

  • The SCAI classification of cardiogenic shock is significantly associated with 30-day survival in a large clinical cohort.
  • These findings support the validity of the SCAI CS classification.
  • Further validation in a prospective trial is recommended.
Abstract

Keywords:
SCAIcardiogenic shockclassification

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